com.liferay.mobile.android.task.ServiceAsyncTask.java Source code

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Here is the source code for com.liferay.mobile.android.task.ServiceAsyncTask.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.mobile.android.task;

import android.os.AsyncTask;

import com.liferay.mobile.android.http.HttpUtil;
import com.liferay.mobile.android.service.Session;
import com.liferay.mobile.android.task.callback.AsyncTaskCallback;

import org.json.JSONArray;
import org.json.JSONObject;

/**
 * @author Bruno Farache
 */
public class ServiceAsyncTask extends AsyncTask<JSONArray, Void, JSONArray> {

    public ServiceAsyncTask(Session session, AsyncTaskCallback callback) {
        _callback = callback;
        _session = session;
    }

    @Override
    public JSONArray doInBackground(JSONArray... commands) {
        try {
            JSONArray array = HttpUtil.post(_session, commands[0]);

            return _callback.inBackground(array);
        } catch (Exception e) {
            _exception = e;
            cancel(false);
        }

        return null;
    }

    public void execute(JSONObject command) {
        JSONArray commands = new JSONArray();
        commands.put(command);

        this.execute(commands);
    }

    @Override
    public void onCancelled() {
        _callback.onFailure(_exception);
    }

    public void onCancelled(JSONArray array) {
        _callback.onFailure(_exception);
    }

    @Override
    public void onPostExecute(JSONArray array) {
        try {
            _callback.onPostExecute(array);
        } catch (Exception e) {
            _exception = e;
            onCancelled();
        }
    }

    private AsyncTaskCallback _callback;
    private Exception _exception;
    private Session _session;

}